Rear bumper for an automobile



FIG. 1 is a front perspective view for a “rear bumper for an automobile” showing my new design,

FIG. 2 is a rear perspective view thereof,

FIG. 3 is a front view thereof,

FIG. 4 is a rear view thereof,

FIG. 5 is a top view thereof,

FIG. 6 is a bottom view thereof,

FIG. 7 is a left-side view thereof; and,

FIG. 8 is a right-side view thereof. 

CLAIM The ornamental design for a rear bumper for an automobile thereof, as shown and described. 